<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
//    console.log(["1", "2", "3"].map(parseInt));
    console.log(new Date(1137075575000));
    var a = new Date(1137075575000);
    console.log(a)
    var b = '15';
    console.log(b[1]);

    var c = Date.parse(new Date())
    console.log(c)
    console.log(new Date(c));
    var d = c+30*1000;
    console.log(d);
    console.log(new Date(d));
</script>

</body>
</html>